/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pig.pigpen.actions;

import org.apache.pig.pigpen.view.LaunchWindowView;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;

public class KillJobActionDelegate implements IViewActionDelegate {

    private ISelection selection;

    public void init(IViewPart view) {
    }

    public void run(IAction action) {
        IWorkbenchPage page = PlatformUI.getWorkbench()
                .getActiveWorkbenchWindow().getActivePage();

        // figure out what file is selected
        // IFile file = ActionDelegateHelper.GetSelectedFile(selection);
        IFile file = ((FileEditorInput) page.getActiveEditor().getEditorInput())
                .getFile();
        if (file == null)
            return;

        IViewReference viewRef = ActionDelegateHelper.GetLauncherReference(
                page, file, ActionDelegateHelper.VIEW.LAUNCHVIEW);
        if (viewRef != null) {
            LaunchWindowView view = (LaunchWindowView) viewRef.getView(false);
            view.kill();
        }

    }

    public void selectionChanged(IAction action, ISelection selection) {
        this.selection = selection;
    }

}
